"Gus, don't be a silly goose."
"Gus, don't be a crazy hooligan."
"Gus, don't be a rabid porcupine."
"Gus, don't be a giant snapping turtle."
"Gus, don't be an incorrigible Eskimo pie with a caramel ribbon."
"Gus, don't be exactly half of an 11 pound black forest ham."
"Gus, don't be a myopic chihuahua."
"Gus, don't be William Zabka from "Back To School"."
"Gus, don't be this crevice in my arm."
"Gus, don't be a traveling wilberry."
"Gus, don't be a paranoid schizophrenic."
"Gus, don't be a gooey chocolate chip cookie."
"Don't be the American version of the British TV Gus."